优化

GGELUA/Release64/lua/GGE/资源.lua

@@ -1,7 +1,7 @@
 --[[
     @Author       : baidwwy
     @Date         : 2021-02-11 11:49:09
-    @LastEditTime : 2021-04-14 08:39:32
+    @LastEditTime : 2021-04-26 05:53:28
 --]]
 local GGE资源包
 local _ENV = require("SDL")
@@ -111,27 +111,15 @@ end
 
 local db3 = require("lsqlite3")
 
-local function prepare_value0(db,sql)
-    local vm = db:prepare(sql)
-    if vm and vm:step()==db3.ROW then
-        return vm:get_value(0)
-    end
-    return 0
-end
 
 GGE资源包 = class("GGE资源包")
 
 function GGE资源包:初始化(file,psd)
-    local db = db3.open(file)
+    local db = require("lib.sqlite3")(file,psd)
     if db then
-        if psd then
-            local psd = string.format("PRAGMA key = '%s';", psd)
-            db:exec(psd)
-        end
-
-        local r = prepare_value0(db,"select count(*) from sqlite_master where name='file';")
+        local r = db:取行数("select count(*) from sqlite_master where name='file';")
         if r==0 then
-            db:exec[[
+            db:执行[[
                 CREATE TABLE "main"."file" (
                     "path"  TEXT,
                     "md5"  TEXT,
@@ -162,15 +150,12 @@ function GGE资源包:初始化(file,psd)
 end
 
 function GGE资源包:是否存在(path)
-    if prepare_value0(self._db,string.format("select count(*) from file where path = '%s'; ", path))~=0 then
-        return true
-    end
-    return false
+    return self._db:取行数("select count(*) from file where path = '%s'; ", path)~=0
 end
 
 function GGE资源包:读数据(path)
-    local data = prepare_value0(self._db,string.format("SELECT data FROM data WHERE md5 = (SELECT md5 FROM file WHERE path = '%s');",path))
-    return data~=0 and data or nil
+    local t = self._db:查询一行("SELECT data FROM data WHERE md5 = (SELECT md5 FROM file WHERE path = '%s');",path)
+    return t and t.data
 end
 
 function GGE资源包:写数据(path,data)